Cordless telephone headset



FIG. 1 is a right side rear perspective view of a cordless telephone headset showing my new design;

FIG. 2 is a rear elevation view;

FIG. 3 is a right side elevation view;

FIG. 4 is a left side elevation view;

FIG. 5 is a front elevation view;

FIG. 6 is a bottom plan view;

FIG. 7 is a top plan view; and,

FIG. 8 is a right side rear perspective view thereof showing, in phantom, a telephone base supporting said cordless telephone headset therein.

The broken line showing in FIG. 8 is for illustrative purposes only and forms no part of the claimed design. Portions of the broken line disclosure have been shown through the solid line disclosure for convenience of illustration. The headset of FIG. 8 being the same in appearance as that shown in FIG. 1. 

The ornamental design for a cordless telephone headset, as shown and described. 